intersperse (something) throughout (something)
To incorporate or scatter something in or throughout something else. I want to intersperse some of these sparkly gray blocks throughout the kitchen backsplash.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
intersperse something throughout something
to put things throughout something. He interspersed recommendations for a better life throughout the book. Good advice had been interspersed throughout the book.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.